Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') in Elasticsearch Leading to Information Disclosure (Elastic Elasticsearch)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.34 % · percentile 27 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- elastic
- NVD status
- Analyzed
Description
Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') (CWE-444) in Elasticsearch can lead to information disclosure via HTTP Request Smuggling (CAPEC-33). Under specific proxy deployment configurations, a network attacker could obtain confidential responses intended for other authenticated users.
Weaknesses (CWE)
- CWE-444 — Inconsistent Interpretation of HTTP Requests
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | elastic |
| CVSS 3.1 | MEDIUM 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N | NVD · security@elastic.co (Secondary) |
European references
- ENISA EUVD · EUVD-2026-69568
- GCVE · GCVE-0-2026-78605
CERT-FR advisories
- CERTFR-2026-AVI-1107 — Multiples vulnérabilités dans les produits Elastic · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*≥ 8.18.0 < 8.19.20cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*≥ 9.0.0 < 9.4.5cpe:2.3:a:elastic:elasticsearch:9.5.0:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Elastic · Elasticsearch | affected 8.18.0 ≤ 8.19.19 ; affected 9.0.0 ≤ 9.4.4 ; affected 9.5.0 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |